The book by Berezkina, Gusev, and Maslennikov is widely respected because it already includes many of the tools you need to solve the problems:
Sections end with questions and problems for independent study to test your comprehension. The book by Berezkina, Gusev, and Maslennikov is
Identify which variable you have (e.g., ) and which one you need ( The book by Berezkina
You don't have to flip back to a massive textbook; the essential theory and equations are right at the start of each section. Where to Find Help Online The book by Berezkina, Gusev, and Maslennikov is
You can view digitized versions of the problem book at the Russian National Library or NLR Digital Library to check if your version matches the latest editions.